Piaget himself wrote relatively little about the applicability of his theories to education.皮亚热本人对其理论在教育方面的适用性论述相对较少。The size of the machine makes me doubt its practicality for use in the home.这种机器的体积让我对它在家中的适用性感到怀疑。Look for software that's flexible enough for a range of abilities.寻找功能多、适用性强的软件。